Dupixent has not been approved yet for COPD. It is under priority review as of Feb 2024. Before you ask to get it check with your insurance to see if it’s covered off label.
https://www.news.sanofi.us/2024-02-23-Dupixent-R-sBLA-accepted-for-FDA-Priority-Review-for-treatment-of-COPD-with-type-2-inflammation
Off label means:
https://www.fda.gov/patients/learn-about-expanded-access-and-other-treatment-options/understanding-unapproved-use-approved-drugs-label